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CVE-2026-18897— UTT HiPER 1250GW getOneApConfTempEntry strcpy stack-based overflow

CVSS 8.8 · High EPSS 0.57% · P44

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProductVersion RangeStatus
UTTHiPER 1250GWv3.2.7-210907-180535affected
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I. Basic Information for CVE-2026-18897

Vulnerability Information
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Vulnerability Title
UTT HiPER 1250GW getOneApConfTempEntry strcpy stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in UTT HiPER 1250GW up to v3.2.7-210907-180535. The impacted element is the function strcpy of the file /goform/getOneApConfTempEntry. The manipulation of the argument tempName leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
UTT HiPER 1250GW 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
UTT hiper 1250gw是中国UTT公司的一款高性能宽带路由器。 UTT HiPER 1250GW v3.2.7-210907-180535及之前版本存在缓冲区错误漏洞，该漏洞源于文件/goform/getOneApConfTempEntry中函数strcpy对参数tempName的操作，可能导致栈缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
UTTHiPER 1250GW v3.2.7-210907-180535 cpe:2.3:a:utt:hiper_1250gw:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-18897

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 9471 chars
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III. Intelligence Information for CVE-2026-18897

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Proof of Concept for CVE-2026-18897 (1)

Same Patch Batch · UTT · 2026-08-05 · 3 CVEs total

CVE-2026-188958.8 HIGHUTT HiPER 1250GW APSecurity_5g strcpy stack-based overflow
CVE-2026-188988.8 HIGHUTT HiPER 1200GW ConfigAdvideo strcpy stack-based overflow

IV. Related Vulnerabilities

Same product: HiPER 1250GW
Same vendor: UTT
Same weakness: CWE-121

V. Comments for CVE-2026-18897

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